Re: [Pyobjc-dev] Embedding Python in an ObjC application

[Ronald O. <ron...@ma...>]

On 14-jun-04, at 22:26, Dan Grassi wrote:

> Hi,
>
> I want to use python from a Cocoa application other than as a class in 
> a .nib file.  I have this working somewhat but there are a couple of 
> problems:
>
> 1) I need to run on 10.2.x and above but PyObjC is not not included in 
> 10.2.x.  Thus I would like to embed the Python framework in my 
> application.
>
> 2) While my example runs with ZeroLink enabled I get a linker error 
> with ZeroLink disabled:
> 	ld: Undefined symbols:
> 	.objc_class_name_TestPy
>
> I use the basic files from the SimpleConboBoxPlus example:
> 	PythonGlue.h
> 	PythonGlue.m
> 	PythonGlue.py
>
> I added to the top of main() in main.m:
> 	NSAutoreleasePool* pythonAutoreleasePool = [[NSAutoreleasePool alloc] 
> init];
> 	[[PythonGlue alloc] init];
>
> I added the following resource file TestPy.py:
> 	from Foundation import *
> 	class TestPy(NSObject):
> 	    def test(self):
> 	        print "TestPy:test"
>
> In my application I added:
> 	[[[TestPy alloc] init] test];

This line causes the link error, use  [[[NSClassFromString(@"TestPy") 
alloc] init] test]; instead.

Ronald
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